4dkankan-components/packages/utils/normal.ts

export const randomId = (e = 6): string => {
  const t = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'
  const a = t.length
  let n = ''
  for (let i = 0; i < e; i++) {
    n += t.charAt(Math.floor(Math.random() * a))
  }
  return n
}

export function omit(obj: any, ...props: any[]) {
  const result = { ...obj }
  props.forEach((prop) => {
    delete result[prop]
  })
  return result
}

/**
 * 获取制定dom在相对于目标中的位置
 * @param {*} origin 或获取的DOM
 * @param {*} target 目标DOM
 * @param {*} isIncludeSelf 是否要包含自身宽高
 * @returns 位置信息 {x, y}
 */
export const getPostionByTarget = (
  origin: HTMLElement,
  target: Node,
  isIncludeSelf = false
) => {
  const pos = {
    x: 0,
    y: 0,
    width: origin.offsetWidth,
    height: origin.offsetHeight,
  }

  let temporary: HTMLElement = origin
  while (
    temporary &&
    temporary !== target &&
    temporary !== document.documentElement &&
    target.contains(temporary)
  ) {
    pos.x += temporary.offsetLeft + temporary.clientLeft
    pos.y += temporary.offsetTop + temporary.clientTop
    temporary = temporary.offsetParent as HTMLElement
  }

  if (isIncludeSelf) {
    pos.x += pos.width
    pos.y += pos.height
  }
  return pos
}